001package org.apache.maven.scm.provider.hg.command.blame;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.scm.ScmFileStatus;
023import org.apache.maven.scm.command.blame.BlameLine;
024import org.apache.maven.scm.log.ScmLogger;
025import org.apache.maven.scm.provider.hg.command.HgConsumer;
026
027import java.util.ArrayList;
028import java.util.Date;
029import java.util.List;
030import java.util.Locale;
031
032
033/**
034 * @author Evgeny Mandrikov
035 * @author Olivier Lamy
036 * @since 1.4
037 */
038public class HgBlameConsumer
039    extends HgConsumer
040{
041    private List<BlameLine> lines = new ArrayList<BlameLine>();
042
043    private static final String HG_TIMESTAMP_PATTERN = "EEE MMM dd HH:mm:ss yyyy Z";
044
045    public HgBlameConsumer( ScmLogger logger )
046    {
047        super( logger );
048
049    }
050
051    public void doConsume( ScmFileStatus status, String trimmedLine )
052    {
053        /* godin 0 Sun Jan 31 03:04:54 2010 +0300 */
054        String annotation;
055        if ( trimmedLine.indexOf( ": " ) > -1 )
056        {
057            annotation = trimmedLine.substring( 0, trimmedLine.indexOf( ": " ) ).trim();
058        }
059        else
060        {
061            annotation = trimmedLine.substring( 0, trimmedLine.lastIndexOf( ":" ) ).trim();
062        }
063
064        String author = annotation.substring( 0, annotation.indexOf( ' ' ) );
065        annotation = annotation.substring( annotation.indexOf( ' ' ) + 1 ).trim();
066
067        String revision = annotation.substring( 0, annotation.indexOf( ' ' ) );
068        annotation = annotation.substring( annotation.indexOf( ' ' ) + 1 ).trim();
069
070        String dateStr = annotation;
071        Date dateTime = parseDate( dateStr, null, HG_TIMESTAMP_PATTERN, Locale.ENGLISH );
072
073        lines.add( new BlameLine( dateTime, revision, author ) );
074    }
075
076    public List<BlameLine> getLines()
077    {
078        return lines;
079    }
080}